PCOS is complex but the right supplements can truly make a difference. When it comes to managing PCOS naturally, three supplements stand out for their science backed benefits: 1) Berberine often compared Benefits of L Carnitine for PCOS Landys Chemist L Carnitine Health & Balance Vitamins (USA) Health & Balance Vitamins L Carnitine Is it Worth Taking? Ideal Nutrition L Carnitine has become one of the most commonly asked about supplements over the past 18 months and I can see why when looking at all the research that has come out about it over the last 2ish years.,